Channel sensing for spectrum sharing with high priority systems

Abstract

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless communication device may sense, using a beam sweeping operation during a channel check period, a shared wireless communication channel. The wireless communication device may perform a wireless communication action based at least in part on whether a high priority wireless communication signal is detected during the beam sweeping operation. Numerous other aspects are described.

What is claimed is: 
     
         1 . A wireless communication device for wireless communication, comprising:
 a memory; and   one or more processors operatively coupled to the memory, the memory and the one or more processors configured to:
 sense, using a beam sweeping operation during a channel check period, a shared wireless communication channel; and 
 perform a wireless communication action based at least in part on whether a high priority wireless communication signal is detected during the beam sweeping operation. 
   
     
     
         2 . The wireless communication device of  claim 1 , wherein the one or more processors are further configured to determine that a high priority wireless communication signal has not been detected, and
 wherein the one or more processors, when performing the wireless communication action, are configured to communicate on the shared wireless communication channel.   
     
     
         3 . The wireless communication device of  claim 2 , wherein the one or more processors are further configured to sense, using an additional beam sweeping operation, the shared wireless communication channel while performing the wireless communication action. 
     
     
         4 . The wireless communication device of  claim 3 , wherein the one or more processors are further configured to detect a high priority wireless communication signal based at least in part on the additional beam sweeping operation; and
 remove access to the shared wireless communication channel by the wireless communication device based at least in part on detecting the high priority wireless communication signal.   
     
     
         5 . The wireless communication device of  claim 1 , wherein the channel check period corresponds to a sensing interval associated with a low priority system that includes the wireless communication device. 
     
     
         6 . The wireless communication device of  claim 5 , wherein the one or more processors are further configured to refrain from transmitting a wireless communication signal during the sensing interval. 
     
     
         7 . The wireless communication device of  claim 5 , wherein the sensing interval comprises a periodic sensing interval. 
     
     
         8 . The wireless communication device of  claim 5 , wherein the sensing interval comprises a pseudo periodic sensing interval. 
     
     
         9 . The wireless communication device of  claim 1 , wherein the one or more processors are further configured to:
 detect a high priority wireless communication signal associated with a beam and the shared wireless communication channel; and   add the beam and the shared wireless communication channel to a non-occupancy list based at least in part on detecting the high priority wireless communication signal.   
     
     
         10 . The wireless communication device of  claim 1 , wherein the beam sweeping operation comprises a contiguous beam sweeping operation. 
     
     
         11 . The wireless communication device of  claim 1 , wherein the beam sweeping operation comprises a distributed beam sweeping operation. 
     
     
         12 . The wireless communication device of  claim 1 , wherein the one or more processors are further configured to sense the shared wireless communication channel for a sensing time that is greater than or equal to a minimum sensing time. 
     
     
         13 . The wireless communication device of  claim 12 , wherein the minimum sensing time is distributed over time, and
 wherein the one or more processors, when sensing the shared wireless communication channel for the sensing time, are configured to:
 sense, during the channel check period, the shared wireless communication channel for a first portion of the sensing time; and 
 sense, during an additional channel check period, the shared communication channel for a second portion of the sensing time, wherein the additional channel check period is separated in time from the channel check period. 
   
     
     
         14 . The wireless communication device of  claim 1 , wherein the one or more processors are further configured to:
 determine that a high priority wireless communication is not detected; and   transmit, to a user equipment (UE), a channel sensing configuration that indicates an additional beam sweeping operation to be performed by the UE based at least in part on determining that the high priority wireless communication was not detected.   
     
     
         15 . The wireless communication device of  claim 1 , wherein the wireless communication device comprises a base station. 
     
     
         16 . The wireless communication device of  claim 1 , wherein the one or more processors are further configured to receive, from a base station, a channel sensing configuration that indicates the beam sweeping operation. 
     
     
         17 . The wireless communication device of  claim 16 , wherein the channel sensing configuration comprises one or more channel sensing parameters. 
     
     
         18 . The wireless communication device of  claim 17 , wherein the one or more channel sensing parameters comprises at least one of:
 a silencing interval configuration, or   a minimum channel sensing time.   
     
     
         19 . The wireless communication device of  claim 16 , wherein the channel sensing configuration is carried in a system information block. 
     
     
         20 . The wireless communication device of  claim 16 , wherein the channel sensing configuration indicates one or more sensing occasions, wherein the one or more processors are further configured to:
 transmit a sensing report associated with the sensing occasions to the base station, wherein the sensing report indicates a detection status associated with each of a plurality of beams.   
     
     
         21 . The wireless communication device of  claim 1 , wherein the one or more processors, when sensing, using the beam sweeping operation, are configured to sense on a beam, and
 wherein the one or more processors, when performing the wireless communication action, are configured to transmit a physical random access channel signal on the beam.   
     
     
         22 . A method of wireless communication performed by a wireless communication device, comprising:
 sensing, using a beam sweeping operation during a channel check period, a shared wireless communication channel; and   performing a wireless communication action based at least in part on whether a high priority wireless communication signal is detected during the beam sweeping operation.   
     
     
         23 . The method of  claim 22 , wherein the channel check period corresponds to a sensing interval associated with a low priority system that includes the wireless communication device. 
     
     
         24 . The method of  claim 22 , further comprising:
 detecting a high priority wireless communication signal associated with a beam and the shared wireless communication channel; and   adding the beam and the shared wireless communication channel to a non-occupancy list based at least in part on detecting the high priority wireless communication signal.   
     
     
         25 . The method of  claim 22 , further comprising sensing the shared wireless communication channel for a sensing time that is greater than or equal to a minimum sensing time. 
     
     
         26 . The method of  claim 25 , wherein the minimum sensing time is distributed over time, and
 wherein sensing the shared wireless communication channel for the sensing time comprises:
 sensing, during the channel check period, the shared wireless communication channel for a first portion of the sensing time; and 
 sensing, during an additional channel check period, the shared communication channel for a second portion of the sensing time, wherein the additional channel check period is separated in time from the channel check period. 
   
     
     
         27 . The method of  claim 22 , further comprising:
 determining that a high priority wireless communication is not detected; and   transmitting, to a user equipment (UE), a channel sensing configuration that indicates an additional beam sweeping operation to be performed by the UE based at least in part on determining that the high priority wireless communication was not detected.   
     
     
         28 . The method of  claim 22 , wherein sensing, using the beam sweeping operation, comprises sensing on a beam, and
 wherein performing the wireless communication action comprises transmitting a physical random access channel signal on the beam.   
     
     
         29 . A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising:
 one or more instructions that, when executed by one or more processors of a wireless communication device, cause the wireless communication device to:
 sense, using a beam sweeping operation during a channel check period, a shared wireless communication channel; and 
 perform a wireless communication action based at least in part on whether a high priority wireless communication signal is detected during the beam sweeping operation. 
   
     
     
         30 . An apparatus for wireless communication, comprising:
 means for sensing, using a beam sweeping operation during a channel check period, a shared wireless communication channel; and   means for performing a wireless communication action based at least in part on whether a high priority wireless communication signal is detected during the beam sweeping operation.